Two circles have equations of ?^2 + ?^2 − 4? − 4? + 4 = 0 and ?^2 + ?^2 − 4? + 8? + 4 = 0. Find the distance between the centers of the two circles.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.3: Solving Quadratic Equations By Graphing
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Two circles have equations of ?^2 + ?^2 − 4? − 4? + 4 = 0 and ?^2 + ?^2 − 4? + 8? + 4 = 0. Find the distance between the centers of the two circles.

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